QBASIC allows for functions (as well as subroutines), looping (while, for, do-while), structs (type) as well as multidimensional arrays. That said, all I really

QBASIC allows for functions (as well as subroutines), looping (while, for, do-while), structs (type) as well as multidimensional arrays. That said, all I really remember from my QBASIC days is abusing the crap out of GOTO. Apparently QB64 can directly access C header files as well as Windows DLLs [1], although I don't think the author used any external modules. The source is described as being a solid monolithic block of 12k lines worth of BASIC, which in and of itself is fairly throwback-worthy. [1] http://en.wikipedia.org/wiki/QB64 http://en.wikipedia.org/wiki/QB64 edit : checked an old QBASIC manual to confirm whether or not multidimensional arrays (2+) were supported DIM cube(3,5,4)